#include <stdio.h>
int my_strlen(char*p)
{
	int count = 0;
	while (*p)
	{
		count++;
		*p++;
	}
	return count;
}
int main()
{
	char arr[]="asdfsfdg";
	int len = my_strlen(arr);
	printf("%d", len);
	return 0;
}